| 6237410 |
Method for controlling the speed of a pump based on measurement of the fluid depth in a well |
John G. Dyck, Ronald W. Halisky |
2001-05-29 |
| 6149067 |
Precast reinforced concrete railway crossing slab |
George Clinton Brookhart, Jr., Paul Miller |
2000-11-21 |
| 6016968 |
Method of making a railway crossing |
George Clinton Brookhart, Jr., Paul Miller |
2000-01-25 |
| 5962989 |
Energy management control system |
— |
1999-10-05 |
| 5924630 |
Precast reinforced concrete railway crossing slab |
George Clinton Brookhart, Jr., Paul Miller |
1999-07-20 |
| 5668446 |
Energy management control system for fluorescent lighting |
— |
1997-09-16 |
| 5509275 |
Dehumidifying mechanism for auto air conditioner |
Mohinder Singh Bhatti, Prasad S. Kadle |
1996-04-23 |
| 4905897 |
Field sprayer nozzle pattern monitor |
Ramon B. Rogers |
1990-03-06 |
| 4866994 |
Refrigeration system oil measurement and sampling device |
— |
1989-09-19 |
| 4836584 |
Serviceable threaded conduit coupling |
— |
1989-06-06 |
| 4293993 |
Tool for removing casement window from building |
— |
1981-10-13 |
